Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? RMS and RMS value any of the above RMS and Instantaneous value Instantaneous and RMS value RMS and RMS value any of the above RMS and Instantaneous value Instantaneous and RMS value ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 250 Ω 1000 Ω 25 Ω 500 Ω 250 Ω 1000 Ω 25 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Over current relay Over fluxing relay Differential relay Buchholz relay Over current relay Over fluxing relay Differential relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of short transmission lines only medium transmission lines only long transmission lines only any line short transmission lines only medium transmission lines only long transmission lines only any line ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 20 MW 80 MW 15 MW 10 MW 20 MW 80 MW 15 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
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